SEO and AI search visibility
Write the meta tags, robots.txt, sitemap and llms.txt a site needs, and check what AI crawlers are allowed to read. Extract a page's metadata, convert it to clean Markdown, detect its tech stack and score how readable its docs are.
10 tools, free, in your browser
Meta Tag Generator & Previewer
Generate SEO meta tags with live Google, Facebook, and Twitter card previews
Generators
robots.txt Generator & Validator
Generate robots.txt with per-bot Allow and Disallow rules, crawl-delay, sitemap URLs and AI crawler blocks like GPTBot, or validate an existing file.
Generators
Sitemap.xml Generator
Generate a sitemap.xml from absolute URLs with optional lastmod, changefreq and priority, skipping invalid lines and warning past 50,000 URLs.
Generators
llms.txt Generator
Generate an llms.txt file with an H1, summary blockquote and Markdown link sections, or validate an existing one for structure and absolute URLs.
AI tools
LLM Crawl Policy Validator
Validate robots.txt and llms.txt files, detect conflicts, simulate AI bot access, and export corrected policies
AI tools
RSS Feed Validator
Validate RSS/Atom XML and preview feed entries with parser diagnostics
Developer utilities
URL Metadata Extractor
Extract OG tags, canonical URLs, meta descriptions, and JSON-LD from pasted HTML
Developer utilities
Web-to-Markdown Converter
Convert pasted HTML or a fetched URL to Markdown for LLM input, dropping scripts, navigation and footers, and estimate the token savings.
AI tools
Website Tech Stack Detector
Detect website frameworks and platforms from pasted HTML, headers, and script URLs
Developer utilities
AI Doc Readability Scorer
Score Markdown docs on structure, code examples, API discoverability, schema coverage, LLM parseability and readability, with fixes ranked by impact.
AI tools
More collections
- JSON tools
- LLM pricing and token tools
- AI agents and MCP servers
- Agent skills, rules and memory files
- Prompt engineering and evaluation
- API development and debugging
- Security, auth and secrets
- DevOps, containers and config
- Frontend, CSS and design
- Project setup and repo files
- Text, encoding and data utilities